Task Force TF2000 Instructions Manual page 11

OPERATING INSTRUCTIONS
Step 7
Before turning unit on, squeeze and hold trigger to bleed any trapped
air out of the unit. Release trigger when water flow is steady.
Step 8
Depress the ON button. Note that the motor will momentarily start
and then stop.
Step 9
Squeeze the trigger to start motor and begin pressure washing.
Fig. 8
Fig. 10
11
Fig. 4
Fig. 9